package com.itheima.mp.controller;

import cn.hutool.core.bean.BeanUtil;
import com.itheima.mp.domain.dto.PageDTO;
import com.itheima.mp.domain.dto.UserFormDTO;
import com.itheima.mp.domain.po.User;
import com.itheima.mp.domain.query.UserQuery;
import com.itheima.mp.domain.vo.UserVO;
import com.itheima.mp.service.IUserService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author maohd
 * @date 2024/4/28 17:52
 */
@Api(tags = "用户管理接口")
@RestController
@RequestMapping("/users")
@RequiredArgsConstructor   //必备的构造函数 只对一开始需要初始化的变量进行构造 不需要的 到时候 不加final即可
public class UserController {

    // @Autowired 字段注入不推荐 加上final 表示是常量  表示在初始化的过程中 完成对变量的初始化
    private final IUserService userService; //spring 推荐使用构造函数进行注入 但是写起来比较繁琐

    @ApiOperation("新增用户接口")
    @PostMapping
    public void saveUser(@RequestBody UserFormDTO userDTO) {
        //1.把DTO拷贝到po
        User user = BeanUtil.copyProperties(userDTO, User.class);
        //2.新增
        userService.save(user);
    }

    @ApiOperation("删除用户接口")
    @DeleteMapping("{id}")
    public void deleteUserById(@ApiParam("用户id") @PathVariable("id") Long id) {
        userService.removeById(id);
    }

    @ApiOperation("根据id查询用户接口")
    @GetMapping("{id}")
    public UserVO queryUserById(@ApiParam("用户id") @PathVariable("id") Long id) {
//        User user = userService.getById(id);
//        return BeanUtil.copyProperties(user, UserVO.class);
        return userService.queryUserAndAddressById(id);
    }

    @ApiOperation("根据id批量查询用户接口")
    @GetMapping
    public List<UserVO> queryUserByIds(@ApiParam("用户id集合") @RequestParam("ids") List<Long> ids) {
        return userService.queryUserAndAddressByIds(ids);
//        List<User> users = userService.listByIds(ids);
//        return BeanUtil.copyToList(users, UserVO.class);
    }

    @ApiOperation("扣减用户余额接口")
    @PutMapping("/{id}/deduction/{money}")
    public void deductBalance(@ApiParam("用户id") @PathVariable("id") Long id,
                              @ApiParam("扣减的金额") @PathVariable("money") Integer money) {
        userService.deductBalance(id, money);
    }

    @ApiOperation("根据复杂条件查询用户接口")
    @GetMapping("/list")
    public List<UserVO> queryUsers(UserQuery query) {
        List<User> users = userService.queryUsers(query.getName(), query.getStatus(), query.getMinBalance(), query.getMaxBalance());
        return BeanUtil.copyToList(users, UserVO.class);
    }

    @ApiOperation("根据条件分页查询用户接口")
    @GetMapping("/page")
    public PageDTO<UserVO> queryUsersPage(UserQuery query) {
        return userService.queryUsersPage(query);

    }
}
